• Phone System Offers
  • 6 User Phone System
  • 10 User Phone System
  • 20 User Phone System
  • 50 User Phone System
  • 200 User Phone System
  • 500 User Phone System
  • IP Office
  • ISDN Phone Systems
  • Office Phone Systems
    • Alcatel Phone System
    • Panasonic Phone System
    • Nortel Phone System
    • Avaya IP400 System
    • InDEX Phone System
    • Aastra Phone System
    • BT Meridian Phone System
    • BT Norstar Phone System
    • Siemens Phone System
    • Ericsson Phone System
• Phone Systems
  • Phone System Help
    • How to choose a phone system
    • Moving? Phone system checklist
    • Your existing phone system infrastructure
    • Choosing an IP phone system
    • Choosing a digital phone system
    • Choosing an analog phone system
    • Choosing a cloud phone system
    • Choosing your lines
    • Putting it all together
  • Avaya Telephone Systems
  • Avaya IP500
  • Avaya Communication Manager
  • Avaya Server Edition
  • Avaya Call Centres
  • Small Business Phone Systems
• Phone System Addons
  • Xima Reporting
  • Scopia Video Conferencing
  • Cytrack Contact and Call Centre
  • Rostrum Outbound Dialer for Avaya
  • CRM Integration
  • Call Management Software
  • Entryphone Systems
  • On Hold Music
  • Call Logging
  • Avaya Call Recording
  • Avaya WiFi & IP DECT
  • Avaya Voicemail Pro
  • Avaya Customer Call Reporter
  • Avaya Auto Attendant
• Telephones
  • Avaya IP Office Phones
  • Avaya Communication Manager Phones
• Headsets
  • Avaya IP Office Headsets
  • Avaya Communication Manager Headsets
• Connectivity
  • Leased lines
  • SIP
  • FTTC
  • ADSL2+
  • ADSL
  • ISDN30
  • ISDN2
  • MPLS
• IT Integration
  • CCTV Systems
  • IT Security
  • Disaster Recovery
  • Network Design
  • Managed Datacentres
  • Anti-Virus Services
  • Anti-Spam Services
• Phone System Support
• Case Studies

An analogue extension in the IP Office platform is an internal unit which allows such analogue systems as a fax machine or a door entry system to be added to the system.

Avaya IP Office Phone System Features List

New! Have you seen our new Avaya IP Office Phone System site at http://officephonesystem.co.uk? Every IP Office Phone System feature has been updated there, and it also includes all the latest information about Avaya IP Office Release 9, out September 2013.